Merge pull request #789 from szepeviktor/szepeviktor-patch-1

Mention hidden files in github-action.md

docs/github-action.md

@@ -53,7 +53,7 @@ suggestions based on that local diff](https://github.com/getsentry/action-git-di
 
 | Name | Description | Required | Default |
 |------|-------------|----------|---------|
-| files| Files or patterns to check | false | If not defined, entire repository is checked |
+| files| Files or patterns to check | false | If not defined, the default set of files are checked |
 | isolated | Ignore implicit configuration files | false | false|
 | config | Use a custom config file (must exist) | false | not set |
 | write_changes | Writes changes on the Action's local checkout | false | false |